E&M

4.3.2. E&M

a correct E&M configuration could be:

zaptel.conf:

span=1,0,0,esf,b8zs
span=2,1,0,esf,b8zs
e&m=1-48
loadzone = us

zapata.conf:
[trunkgroups]

[channels]
context=zaptel-incoming
switchtype=national
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
rxgain=0.0
txgain=0.0
group=1
callgroup=1
pickupgroup=1
immediate=no
switchtype = national
signalling = em_w
group = 1
channel => 1-24,25-48

And this would be the info SBC sent us for this link:

> * Extended DMARC: No, using Existing DMARC
> * Line Coding: B8ZS
> * Framing: ESF
> * Start Channel: 1, 25
> * End Channel: 24, 48
> * Direction: 2 Way
> * Signaling: Inband
> * Hunt Sequence: Ascending
> * ANI Delivery: Yes
> * Trunk Type: E & M
> * Start Signal: Wink
> * Dial Tone: Standard
> * Calling Party Number: No
> * Glare Yield: Yes
> * Int'l Allowed: Yes
> * Account Codes: No
> DTFS Numbers: Yes, 100 800 #'s total
>

http://www.mail-archive.com/asterisk-users@lists.digium.com/msg108234.html

User Comments

docsharp01 (docsharp01 at hotmail dot com)
07 February 2008 20:46:43
This is an excellent article about <a href="http://www.1-satellite-tv-facts.com/T1-Internet-Service.html">
T1 internet service</a> because
broadband communications is the future.

Salman Yousuf (research at genesis-solution dot com)
15 January 2008 16:08:32
Dear Sir / Madam

Hope you will be fine there, I am a Research & Development Engineer. I am using Asterisk PBX (VoIP Server) and your Digium cards. Now I would like to use E&M 2 wire/ 4 wire Magnetophone (HOTLINES) with asterisk. so can you please help me out in this regard, what should I do and which hardware is required to use E&M 2 wire/ 4 wire Magnetophone (HOTLINES) with asterisk and how I can use this.

please send me the details as soon as possible

Looking Forward for your Kind and Urgent Reply

Best Regards

Salman Yousuf
GENESIS SOLUTIONS (PVT.) LTD.
F-1 Sector 6-A, Mehran Town, Korangi Industrial Area,
Karachi, PAKISTAN-74900
cell phone: +92-300-2281391
research@genesis-solution.com
msy_90@hotmail.com
yousuf_salman@yahoo.com
www.genesis-solution.com

Rudra Narayan Acharya (rnacharya at bbsr dot syscomes dot com)
23 March 2006 01:09:22
hi,

but here in my senario I've a TE205P card which port1 connect to Macloud Usa.It's a T1 connection and protocol is E&M. I've got a T1 card in my Prtnor R6 to which I want to connect and for that I need the type of cable.

And regarding routing In my zapata.conf file I've defined group1= 1-24(T1 from macloud),25-48(Avaya Partnor). Hence while using outbound routing shall I use zap/g1 , so that my calls will be forwared to avaya difinity automatically from outside and from internal sip extentations.

Thanks in advance

regards
rudra

rudra (rnacharya at bbsr dot syscomes dot com)
23 March 2006 00:41:45
I've a avaya partner system which I want to connect asterisk TE205P port.In Te205P one port equiped with one T1 connection from macloud USA.If you can give some routing tips so that My calls can go directly to partner system and from partner system to out side through asterisk

thanks in advace

regards
rudra

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